CN1249478C - Large-caliber standard flat plate precision adjusting frame - Google Patents

Large-caliber standard flat plate precision adjusting frame Download PDF

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Publication number
CN1249478C
CN1249478C CN200410016359.4A CN200410016359A CN1249478C CN 1249478 C CN1249478 C CN 1249478C CN 200410016359 A CN200410016359 A CN 200410016359A CN 1249478 C CN1249478 C CN 1249478C
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China
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picture frame
links
plate
mounting
assembly
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CN200410016359.4A
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CN1560660A (en
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刘志刚
汤更秀
王国兴
朱健强
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Shanghai Institute of Optics and Fine Mechanics of CAS
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Shanghai Institute of Optics and Fine Mechanics of CAS
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Abstract

The precision regulating frame for large-caliber standard flat plate is characterized by comprising a mirror frame component, a mirror frame regulating plate component, a seat frame and a driving device component, wherein the influence of the gravity of the large-caliber standard flat plate on the surface shape and a regulating mechanism is reduced by adopting a reasonable flat plate supporting mode and an unloading device, and the structure of the regulating mechanism is improved. The precision adjusting frame can bear larger load, and simultaneously ensures higher adjusting precision.

Description

The accurate adjustment rack of heavy caliber dressing plate
Technical field:
The present invention relates to accurate adjustment rack, the accurate adjustment rack of particularly a kind of heavy caliber dressing plate.Be mainly used in the angular setting of the dressing plate in high precision, the heavy caliber surveying instrument, also can be used for the accurate angular setting of other large-scale optical mirrors simultaneously.
Background technology:
It is to improve the optical elements of large caliber manufacturing accuracy that massive optics is carried out optical precision measurement, improve the requisite committed step of optical instrument overall performance, dressing plate then is the benchmark that carries out optical precision measurement, and the adjustment precision of flat board directly influenced The ultimate results when it installed back surface figure accuracy and measurement.Past is because big plane standard jig is made difficulty, usually bore can only be accomplished Φ 150mm, therefore factor such as gravity is less to the influence of platen surface shape, and also need not consider the situation of heavy load to the design of adjusting mechanism, i.e. Ping Ban installation can be adopted traditional eyeglass mounting meanss such as supported at three point, and adjusting mechanism adopts screw mandrel directly to drive and gets final product.But along with the increase of dressing plate bore, the influence of factor opposite shape such as gravity and adjusting mechanism must consider that above-mentioned traditional mechanism's mode has not been suitable for the installation and the adjustment of heavy caliber dressing plate.
Summary of the invention:
The technical problem to be solved in the present invention is to overcome the difficulty of above-mentioned prior art, provides a kind of heavy caliber dressing plate accurate adjustment rack, and this precision adjustment rack can bear bigger load, guarantees to have higher adjusting precision simultaneously again.
Technical conceive of the present invention is to adopt rational flat support mode and relief arrangement to extenuate the gravity opposite shape of heavy caliber dressing plate and the influence of adjusting mechanism, improves the structure of adjusting mechanism simultaneously.
Technical solution of the present invention is as follows:
The accurate adjustment rack of a kind of heavy caliber dressing plate, its characteristics are that it comprises picture frame assembly, picture frame adjustment board component, mounting and Vidacare corp assembly.
Picture frame is adjusted board component and is paralleled with mounting by the Vidacare corp assembly that is positioned at the same diagonal line of mounting two ends, the picture frame assembly is installed in picture frame and adjusts on the board component, adjusts picture frame by the Vidacare corp assembly and adjusts the angular setting that assembly is realized the picture frame assembly.The mounting central dividing plate has the circular hole with the identical size of dressing plate.At the same cornerwise two ends of central dividing plate one second boss is arranged respectively, constitute the platform that is connected of Vidacare corp assembly and mounting, there is one first boss at mounting base plate place, is used for connecting picture frame adjustment board component quadrature slippage track segment;
The picture frame assembly comprises plate behind the picture frame, dressing plate and picture frame header board.Plate and picture frame header board are interconnected to a framework by nine picture frame poles and screw behind the picture frame, the contacted side of plate, picture frame header board and dressing plate a plurality of nylon plain cushions that along the circumferential direction evenly distributed behind the picture frame, its radius of a circle is suitable with the dressing plate bore.The picture frame assembly is adjusted board component composition one by the mounting hole and the picture frame of plate behind the picture frame.Become three rod rests of 120 ° of distributions to be enclosed within on the picture frame pole, have a plurality of apertures that nylon switching pad is installed on it.Two flexible suspender belt circles be loaded on sustained height about on two picture frame poles, flexible suspender belt and the engagement of flexible suspender belt circle also compress it by flexible suspender belt pressing plate.Plate is equipped with four hinge members behind the picture frame, is 90 ° of distributions in twos.Hinge member comprises card extender, fishplate bar, pin and moving fishplate bar, and its annexation is: card extender links to each other with plate behind the picture frame, and fishplate bar links to each other with card extender, moving fishplate bar by the two ends pin, and moving fishplate bar then contacts with the dressing plate side.It is a quadra that picture frame is adjusted the board component main body, and respectively there is a circular platform at its same cornerwise two ends.A cylinder deep hole is each side arranged at the quadra bottom, two different bearing poles of length are housed respectively, the annexation of itself and quadra is: self-aligning ball bearing is fixed on bearing pole one end, and in the bearing sleeve of packing into, the bearing sleeve cylinder deep hole of then packing into links to each other with quadra, and the setting height(from bottom) of the self-aligning ball bearing on the two bearings pole will be consistent.The other end of long bearing pole then links to each other with the base plate of mounting, and the other end that minor axis holds pole links to each other with base plate with quadrature slippage guide rail, and this quadrature slippage guide rail then is installed on first boss on the base plate of mounting.The syndeton of quadrature slippage guide rail is: go up sliding plate by be contained in the V-type groove ball about slide in the V-type groove of two side slip guide rails, the side slip guide rail is installed on the middle sliding plate, in sliding plate opposite side V-type groove direction and the mutual vertical side slippage of side slip guide rail guide rail are installed, down-shift board is installed on the slippage guiderail base, and the slippage guiderail base then links to each other with first boss on the mounting base plate.The annexation of Vidacare corp assembly is: the shaft coupling head links to each other with the shaft coupling crotch, the shaft coupling crotch links to each other with the shaft coupling frame again, shaft coupling crotch middle part has the pin-and-hole of a tiny translot up to the shaft coupling crotch, hold pin tightly by screw, shaft coupling head, shaft coupling crotch, shaft coupling frame have been formed the universal coupling of a variation jointly.The shaft coupling head links to each other with the circular platform that picture frame is adjusted on the board component.The shaft coupling frame links to each other with screw mandrel by the ball bearing that is installed in screw mandrel one end, and the fastening back of left half-nut and right half-nut dislocation screws with screw mandrel, and right half-nut links to each other by screw with the power seat, and the power seat links to each other with second boss on the mounting.Ball bearing is equipped with at the two ends of worm gear, and its end that ball bearing is housed is installed in the bearing seat, packs in the power seat together with the ball bearing integral body of the other end.Have two relative elongated slots on the worm gear, pin passes from elongated slot with screw mandrel and links to each other.The end that clip is embraced the power seat links to each other with rebound, and one side of rebound links to each other with the motor seat simultaneously.Ball bearing is equipped with at the worm screw two ends, and matches back with the worm shaft bearing and the worm gear engagement, and the worm shaft bearing links to each other with the motor seat.The end of worm screw links to each other with two shaft motors by elastic coupling.
Advantage of the present invention: the novel structure of the accurate adjustment rack of heavy caliber dressing plate of the present invention, good manufacturability, general structure are simple relatively than traditional structure, greatly reduce the manufacturing cost of adjustment rack.Owing to use multiple installation way installation code flat board, effectively reduced the surface deformation of dressing plate, the security that has improved mirror.Adopt rigidity auxiliary support apparatus such as self-aligning ball bearing and quadrature slippage guide rail to unload the gravity load that part is brought by the heavy caliber dressing plate, adjusting mechanism adopts the universal coupling of variation to realize the circular motion that brings owing to angular setting simultaneously, both guaranteed and to have guaranteed also in the precision adjustment under the big load-up condition that whole device had advantages of higher stability.Therefore adjust in the trim at large-scale optics and have great superiority and promotional value.
Description of drawings:
Fig. 1 is the longitudinal profile synoptic diagram of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention.
Fig. 2 is the bottom schematic view of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention mounting 3.
Fig. 3 is the longitudinal profile synoptic diagram of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention mounting 3.
Fig. 4 is the longitudinal profile synoptic diagram of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention picture frame assembly 1.
Fig. 5 looks synoptic diagram for the master of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention picture frame assembly 1.
Fig. 6 is the detailed maps of parts 109 in the accurate adjustment rack most preferred embodiment of the heavy caliber dressing plate of the present invention picture frame assembly 1.
The master that Fig. 7 adjusts board component 2 for the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention picture frame looks synoptic diagram.
Fig. 8 adjusts the detailed maps of parts 205 in the board component 2 for the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention picture frame.
Fig. 9 looks synoptic diagram for the master of the dull and stereotyped adjustment rack most preferred embodiment of heavy caliber precision standard of the present invention drive set component 4.
Figure 10 is the partial schematic diagram of Fig. 9 motor part.
Figure 11 is the side synoptic diagram of part 402 in the accurate adjustment rack most preferred embodiment of the heavy caliber dressing plate of the present invention drive set component 4.
Figure 12 is the horizontal section synoptic diagram of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention.
Embodiment:
See also Fig. 1 earlier, Fig. 1 is the longitudinal profile synoptic diagram of the accurate adjustment rack most preferred embodiment of heavy caliber dressing plate of the present invention.This shows that the accurate adjustment rack of heavy caliber dressing plate of the present invention mainly comprises four big assemblies: picture frame assembly 1, picture frame are adjusted board component 2, mounting 3 and drive set component 4.The structure of mounting 3 such as Fig. 2, shown in Figure 3.Mounting 3 monoblock casts form, and have a circular hole 307 close with dressing plate 106 bores on its central dividing plate 308, and simultaneously design has the casting pit on the central dividing plate 308, and the rigidity that is used to improve mounting 3 also alleviates the weight of mounting 3 simultaneously.Second boss 305 of two castings is arranged on the central dividing plate 308, and be the diagonal angle distribution, as the be connected platform of drive set component 4 with mounting 3.There is one first boss 304 at the base plate place of mounting 3, is used for connecting picture frame and adjusts board component 2 quadrature slippage track segments 205.The base plate of mounting 3 has four mounting holes 303 for four jiaos, be used for fixing whole adjustment rack, there is the another side of boss 304 to have the wide 30mm in two roads at mounting 3 base plates, the pod 301 of the same specification of translot 302 and three roads of dark 4mm, be used for when moving adjustment rack, injecting pressure-air, to reduce the friction between adjustment rack and the installed surface, to make things convenient for moving of adjustment rack.
The structure of picture frame assembly 1 such as Fig. 4, shown in Figure 5.The main body of picture frame assembly 1 is by plate behind the picture frame 102, and dressing plate 106 and picture frame header board 105 constitute.Dressing plate 106 is between plate behind the picture frame 102 and picture frame header board 105, plate 102 connects into a framework with picture frame header board 105 by nine picture frame poles 103 and screw behind the picture frame, behind picture frame plate 102 and picture frame header board 105 by a side of dressing plate 106 all along the circumferential direction uniform 8 nylon plain cushions 107, radius of a circle and dressing plate 106 bores are about the same, to guarantee soft contact the between plate 102 behind dressing plate 106 and the picture frame, the picture frame header board 105.Plate 102 each side has a picture frame support plate 101 behind picture frame, it links to each other with the screw hole 212 that picture frame is adjusted on the board component 2, picture frame assembly 1 is enclosed within on the picture frame support plate 101 by the mounting hole on the plate behind the picture frame 102, forms one thereby adjust board component 2 with picture frame.Three rod rests 104 are enclosed within on the picture frame pole 103; and two twenty percents, 120 degree distribute; there are four apertures to be used to install nylon switching pad 110 on each rod rest 104, contact certain support protective effect with dressing plate 106 sides by screw in compression nylon switching pad 110.About two flexible suspender belt circles 112 are enclosed within respectively on two picture frame poles 103, the lower end side that flexible suspender belt 117 is close to dressing plate 106 is meshed with the flexible suspender belt circle 112 of both sides respectively, make dressing plate 106 be in suspension status by tightening up flexible suspender belt 117, linking to each other with flexible suspender belt circle 112 with screw with flexible suspender belt pressing plate 111 then compresses flexible suspender belt 117.Utilize the flexible support of flexible suspender belt to greatly reduce the surface deformation of dressing plate 106 like this, utilize the flexible suspender belt 117 and the engagement of flexible suspender belt circle 112 can conveniently regulate the degree of tightness state of flexible suspender belt 117 simultaneously.Four hinge members 109 are installed on plate behind the picture frame 102, are uniform near 90 degree in twos, its structure as shown in Figure 6.This hinge member is made up of card extender 118, fishplate bar 119, pin 120 and moving fishplate bar 121, plate 102 links to each other by screw behind card extender 118 and the picture frame, fishplate bar 119 by two ends pin 120 respectively with card extender 118, moving fishplate bar 121 links to each other, moving fishplate bar 121 is curved with the contacted part in dressing plate 106 sides, its radius is identical with the radius of dressing plate 106, and moving fishplate bar 121 links to each other by silica gel with dressing plate 106 sides.Hinge member 109 mainly plays supplemental support.Two by a cell mount pole 116 and two I shape supports that picture frame side pole 114 is formed, lay respectively at the both sides of dressing plate 106, by plate 102 behind screw and the picture frame, picture frame header board 105 links to each other, two lifting bolts 113 are installed in respectively on the I shape support, two handles 115 also are installed on the I shape support simultaneously, and handle 115 and lifting bolt 113 all are used for the installation of picture frame assembly 1.
Picture frame is adjusted board component 2 as shown in Figure 7.Picture frame is adjusted 201 castings of board component 2 main body quadras and is formed, and has the reinforcement 203 that is formed by the casting pit, the not only weight reduction but also improve rigidity of this structure.Respectively there is a circular platform 202 in the upper left corner of quadra 201 and the lower right corner, 204, this circular platform 202,204 links to each other with shaft coupling head 401 in the drive set component 4 by screw, adjusts board component and realizes required adjustment campaign thereby drive set component 4 can promote picture frame.The quadra center hole two screw holes 212 are each side arranged, be used for linking to each other with picture frame support plate 101.Quadra bottom a cylinder deep hole 206 each side arranged, self-aligning ball bearing 210 is fixed on an end of bearing pole 208 by bearing housing screw 211, the bearing pole 208 that self-aligning ball bearing 210 is housed is contained in the bearing sleeve 207, and by bearing trim ring 209 self-aligning ball bearing 210 is fixed in the bearing sleeve 207,207 of the bearing sleeves that self-aligning ball bearing 210 is housed are installed in the cylinder deep hole 206 and with quadra 201 by screw and are connected.Bearing pole 208 has the long and short two kind, and the installation axis of long bearing pole 208 is coaxial with the center line of upper left corner circular platform 202, and its other end links to each other with the base plate of mounting 3.The installation axis of short bearing pole 208 is coaxial with the center line of upper left corner circular platform 204, and its other end links to each other with quadrature slippage track segment 205, and quadrature slippage track segment then is installed on the boss 304 on the base plate of mounting 3.The setting height(from bottom) of the self-aligning ball bearing 210 in the cylinder deep hole of the left and right sides requires contour.The structure of quadrature slippage track segment as shown in Figure 8.Last sliding plate 214 links to each other with the bearing pole 208 of weak point, and by be contained in the V-type groove ball 213 about slide in the V-type groove of two side slip guide rails 219, the side slip guide rail is installed on the middle sliding plate 215, the opposite side of middle sliding plate 215 is equipped with V-type groove direction and side slip guide rail 219 mutual vertical side slippage guide rails 216, down-shift board 218 is installed on the slippage guiderail base 217, and the slippage guiderail base then links to each other with boss 304 on mounting 3 base plates.Down-shift board 218 slides in the V-type groove of the two side slip guide rails 216 in front and back by the ball 213 that is contained in the V-type groove.Whole quadrature slippage guide rail is for the circular motion that realizes that picture frame adjustment board component 2 produces in angular setting, also plays the effect of supplemental support simultaneously.
The whole adjustment rack of this most preferred embodiment adopts electronic and manual dual mode to carry out angular adjustment, and Vidacare corp assembly 4 is as Fig. 9, and is shown in Figure 10.Shaft coupling head 401 links to each other by pin 402 with shaft coupling crotch 403, and shaft coupling crotch 403 links to each other with shaft coupling frame 404 by pin 402 again, shaft coupling head 401, and shaft coupling crotch 403, shaft coupling frame 404 have been formed the universal coupling of a variation jointly.The side synoptic diagram of shaft coupling crotch 403 has the pin-and-hole of a tiny translot 427 up to shaft coupling crotch 403 as shown in figure 11 at the middle part of shaft coupling crotch 403, hold pin 402 tightly by screw.Shaft coupling head 401 links to each other with the circular platform 202,204 that picture frame is adjusted on the board component.Shaft coupling frame 404 links to each other with screw mandrel 408 by the ball bearing 405 that is installed in screw mandrel 408 1 ends, thereby the end that bearing trim ring 420 screws in shaft coupling frame 404 compresses ball bearing 405.Left side half-nut 406 and right half-nut 407 all screw with screw mandrel 408, tighten up the function of the crack nut of realizing disappearing with screw by two nuts dislocation back, right half-nut 407 and power seat 409 link to each other by screw, 409 of power seats link to each other with casting boss 305 on the mounting by screw, thereby have fixed drive set component 4.Ball bearing 417 is equipped with at the two ends of worm gear 411, and its end that ball bearing 417 is housed is installed in the bearing seat 416, packs in the power seat 409 together with ball bearing 417 integral body of the other end, and bearing seat trim ring 414 screws in power seats 409 compression axis bearings 416.Power flap 413 screws in power seat 409, is used to prevent that dust from entering.Have two relative elongated slots 418 on the worm gear 411, pin 419 passes from elongated slot 418 with screw mandrel 408 and links to each other, thus screw mandrel 408 rectilinear motions when guaranteeing worm gear 411 rotations.The end that clip 412 is embraced power seat 409 links to each other with rebound 415, and one side of rebound 415 links to each other with motor seat 424 simultaneously.Ball bearing 421 is equipped with at worm screw 410 two ends, the worm screw 410 that ball bearing 421 is housed and worm shaft bearing 422 match back and worm gear 411 engagements, and 422 of worm shaft bearings link to each other with motor seat 424.The end of worm screw 410 links to each other with two shaft motors 425 by elastic coupling 423, thereby realizes motorized adjustment.
The manual adjustments assembly as shown in figure 12, the manual adjustments assembly divides long and short two kinds, lays respectively at the left and right sides of mounting 3.Long manual adjustments assembly is by handwheel, the long link rod that rotates, the link rod seat, nylon cushion, crosshead constitutes, handwheel is installed in long the rotation on the link rod by screw, the link rod seat then is installed on the link rod seat mounting hole 306 of mounting 3, and nylon cushion then is embedded in the two ends of link rod seat, and the long link rod that rotates that handwheel is installed passes nylon cushion on the link rod seat, link to each other with crosshead by pin, crosshead links to each other with the end of worm screw 410 in the drive set component 4 by pin again.Short manual adjustments assembly is made of handwheel, the short link rod that rotates, and handwheel links to each other by screw and the short link rod that rotates, and the other end of short rotation link rod then links to each other with the driving shaft of two shaft motors 425 in the drive set component 4.
The adjustment precision of the accurate adjustment rack of this heavy caliber dressing plate is 0.01 "; setting range is ± 3 °; there is not backlash substantially in the worm and gear assembly drive means in this device; the dressing plate surface deformation is less than λ/6 (λ=0.632 μ m); and adjustment rack all realizations be rigidly connected; good stability, so the present invention has very high promotional value and use value.

Claims (3)

1, the accurate adjustment rack of a kind of heavy caliber dressing plate is characterized in that it comprises picture frame assembly (1), picture frame adjustment board component (2), mounting (3) and Vidacare corp assembly (4):
Described picture frame assembly (1) comprises plate (102) behind the picture frame, dressing plate (106) and picture frame header board (105), described dressing plate (106) is positioned at behind the picture frame between the plate (102) and picture frame header board (105), plate behind this picture frame (102) connects into a framework with picture frame header board (105) by a plurality of picture frame poles (103) and screw, plate behind the picture frame (102) and picture frame header board (105) are by a side of dressing plate (106) a plurality of nylon plain cushions (107) that along the circumferential direction evenly distributed, its radius of a circle is suitable with the dressing plate bore, picture frame assembly (1) is adjusted board component (2) composition one by the mounting hole and the picture frame of plate (102) behind the picture frame, three rod rests (104) of 120 ° of distributions of two twenty percents are enclosed within on the picture frame pole (103), there are a plurality of apertures that nylon switching pad (110) is installed on it, two flexible suspender belt circles (112) be loaded on sustained height about on two picture frame poles (103), flexible suspender belt (117) is close to the lower end side of dressing plate (106), this flexibility suspender belt (117) compresses it with flexible suspender belt circle (112) engagement and by flexible suspender belt pressing plate (111), plate behind the picture frame (102) is equipped with four hinge members (109), be 90 ° of distributions in twos, this hinge member (109) comprises card extender (118), fishplate bar (119), pin (120) and moving fishplate bar (121), its annexation is: card extender (118) links to each other with plate (102) behind the picture frame, the pin (120) of fishplate bar (119) by two ends respectively with card extender (118), moving fishplate bar (121) links to each other, and moving fishplate bar (118) then contacts with the dressing plate side;
It is a quadra (201) that picture frame is adjusted board component (2) main body, respectively there is a circular platform (202 at its same cornerwise two ends, 204), a cylinder deep hole (206) is each side arranged at the bottom of this quadra (201), the different two bearing poles (208) of length are housed respectively, the annexation of itself and quadra (201) is: self-aligning ball bearing (210) is fixed in bearing pole (208) one ends and the bearing sleeve of packing into (207), this bearing sleeve (207) cylinder deep hole (206) of then packing into links to each other with quadra (201), the setting height(from bottom) of the self-aligning ball bearing (210) on the two bearings pole (208) is consistent, the other end of long bearing pole (208) then links to each other with the base plate of mounting (3), the other end that minor axis holds pole (208) links to each other with quadrature slippage guide rail (205), quadrature slippage guide rail (205) then is installed on first boss (304) on the base plate of underframe (3): go up sliding plate (214) by be contained in the V-type groove ball (213) about slip in the V-type groove of two side slip guide rails (219), side slip guide rail (219) is installed on the middle sliding plate (215), the opposite side of middle sliding plate (215) is equipped with V-type groove direction and the orthogonal side slip guide rail of side slip guide rail (219) (216), down-shift board (218) is installed on the slippage guiderail base (217), and slippage guiderail base (217) then links to each other with first boss (304) on mounting (3) base plate;
The annexation of described Vidacare corp assembly (4) is: shaft coupling head (401) links to each other with shaft coupling crotch (403), shaft coupling crotch (403) links to each other with shaft coupling frame (404) again, shaft coupling crotch (403) middle part has the pin-and-hole of a tiny translot (427) up to shaft coupling crotch (403), hold pin (402) tightly by screw, shaft coupling head (401), shaft coupling crotch (403), shaft coupling frame (404) has been formed the universal coupling of a variation jointly, shaft coupling head (401) links to each other with the circular platform (202/204) that picture frame is adjusted on the board component (2), shaft coupling frame (404) links to each other with screw mandrel (408) by the ball bearing (405) that is installed in screw mandrel (408) one ends, the fastening back of left side half-nut (406) and right half-nut (407) dislocation screws with screw mandrel (408), right half-nut (407) links to each other by screw with power seat (409), power seat (409) links to each other with second boss (305) on the mounting (3), ball bearing (417) is equipped with at the two ends of worm gear (411), its end that ball bearing (417) is housed is installed in the bearing seat (416), packs in the power seat (409) together with ball bearing (417) integral body of the other end; Have relative two elongated slots (418) on the worm gear (411), pin (419) passes from elongated slot (418) with screw mandrel (408) and links to each other, the end that clip (412) is embraced power seat (409) links to each other with rebound (415), and one side of rebound (415) links to each other with motor seat (424) simultaneously; Ball bearing (421) is equipped with at worm screw (410) two ends, and match back with worm shaft bearing (422) and worm gear (411) engagement, worm shaft bearing (422) links to each other with motor seat (424), and the end of worm screw (410) links to each other with two shaft motors (425) by elastic coupling (423);
Described picture frame is adjusted board component (2) and is paralleled with mounting (3) by the drive set component (4) that is positioned at the same diagonal line of mounting (3) two ends, and picture frame assembly (1) is installed in picture frame and adjusts on the board component (2); The central dividing plate (308) of described mounting (3) has the circular hole (307) with the identical size of dressing plate (106), respectively there is one second boss (305) to constitute the platform that is connected of Vidacare corp assembly (4) and mounting (3) at the same cornerwise two ends of central dividing plate (308), there is one first boss (304) at mounting (3) base plate place, is used for connecting picture frame and adjusts board component (2) quadrature slippage track segment (205).
2, the accurate adjustment rack of heavy caliber dressing plate according to claim 1, it is characterized in that this adjustment rack also establishes the manual adjustments assembly, this manual adjustments assembly divides long, short two kinds, lay respectively at the left and right sides of mounting (3), long manual adjustments assembly is by handwheel, the long link rod that rotates, the link rod seat, nylon cushion, crosshead constitutes, its annexation is: handwheel is installed in long the rotation on the link rod, the link rod seat is installed on the link rod seat mounting hole of mounting (3), nylon cushion is embedded in the two ends of link rod seat, what handwheel was installed long rotate the nylon cushion that link rod passes on the link rod seat and links to each other with crosshead, and crosshead links to each other with the end of the middle worm screw (410) of Vidacare corp assembly (4) again; Short manual adjustments assembly is made of handwheel, the short link rod that rotates, and its annexation is: handwheel links to each other with the short link rod that rotates, and the driving shaft of the two shaft motors (425) in the other end of short rotation link rod and the Vidacare corp assembly (4) links to each other.
3, the accurate adjustment rack of heavy caliber dressing plate according to claim 1 and 2, the base plate that it is characterized in that described mounting (3) has the another side of first boss (304) to have the wide 30mm in two roads, the pod (301) of the same specification of translot (302) and three roads of dark 4mm.
CN200410016359.4A 2004-02-16 2004-02-16 Large-caliber standard flat plate precision adjusting frame Expired - Fee Related CN1249478C (en)

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CN1249478C true CN1249478C (en) 2006-04-05

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CN107831584B (en) * 2017-11-01 2022-10-04 中国科学院西安光学精密机械研究所 Composite support structure, support and adjustment method of large-aperture reflector
CN110955058B (en) * 2019-12-17 2021-08-10 中国工程物理研究院应用电子学研究所 Three-freedom stress releaser
CN111751083B (en) * 2020-07-15 2022-04-12 中科院南京天文仪器有限公司 Adjusting and overturning equipment for detecting large-caliber optical element
CN114942507B (en) * 2022-05-13 2024-01-30 长光卫星技术股份有限公司 Flexible supporting structure of optical reflector and adjusting method

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